The Chinese elm cultivar Ulmus parvifolia 'Nire-keyaki' is a dwarf variety principally used for bonsai.
Description The clone is distinguished by its dense branching and fringed leaves.
Pests and diseases The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the elm leaf beetle Xanthogaleruca luteola.
Cultivation Known in Europe and Australasia, 'Nire-keyaki' does not appear to have been introduced to North America
Synonymy Zelkova 'Nire', Ulmus 'Nire', Ulmus 'Nire-keyaki'.
Accessions None known.
Nurseries Europe
Kwekerij Rein & Mark Bulk , Boskoop, Netherlands.
Australasia
Yamina Rare Plants , Monbulk, Melbourne, Australia. (Listed erroneously as U. davidiana 'Nire-keyaki').
References